Just put the new exhaust on, fabbed it up from mandrel bent 3" ss. Sounds great.
Going to the track soon for some base line runs then swapping the LS 6 intake for the new Edelbrock XT to see the difference then going to a chassis dyno for some tweeking. Will post the results for you guys.

 

sweet exaust setup, what mufflers u runnin???

 

looks like Magnaflows...

its unique I dont really like the blow pattern tho (on the paint) but its different